Home / 25,010.40-34,512.96-13,677.64

Finding the Fourth Proportional to 25,010.40, 34,512.96 and 13,677.64

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Solution

The fourth proportional to 25,010.40, 34,512.96 and 13,677.64 is: 18,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,010.40 : 34,512.96 = 13,677.64 : x
  2. Step 2: Convert to fraction form
    25,010.40/34,512.96 = 13,677.64/x
  3. Step 3: Cross multiply
    25,010.40x = 34,512.96 × 13,677.64
  4. Step 4: Simplify right side
    25,010.40x = 472,055,842.21
  5. Step 5: Solve for x
    x = 472,055,842.21/25,010.40
  6. Step 6: Final answer
    x = 18,874.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.